11212222110222 has 32 divisors (see below), whose sum is σ = 26320583181312. Its totient is φ = 3116911165344.

The previous prime is 11212222110191. The next prime is 11212222110269. The reversal of 11212222110222 is 22201122221211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3607534518 + ... + 3607537625.

It is an arithmetic number, because the mean of its divisors is an integer number (822518224416).

Almost surely, 2^{11212222110222} is an apocalyptic number.

11212222110222 is an abundant number, since it is smaller than the sum of its proper divisors (15108361071090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212222110222 is a wasteful number, since it uses less digits than its factorization.

11212222110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215072192.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11212222110222 its reverse (22201122221211), we get a palindrome (33413344331433).

The spelling of 11212222110222 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-two".